Home / 210,230.60-315,337.02-97,872.20

Finding the Fourth Proportional to 210,230.60, 315,337.02 and 97,872.20

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Solution

The fourth proportional to 210,230.60, 315,337.02 and 97,872.20 is: 146,804.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,230.60 : 315,337.02 = 97,872.20 : x
  2. Step 2: Convert to fraction form
    210,230.60/315,337.02 = 97,872.20/x
  3. Step 3: Cross multiply
    210,230.60x = 315,337.02 × 97,872.20
  4. Step 4: Simplify right side
    210,230.60x = 30,862,727,888.84
  5. Step 5: Solve for x
    x = 30,862,727,888.84/210,230.60
  6. Step 6: Final answer
    x = 146,804.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.